Fixed Gpclib Maptools Package Bug Required For This Feature.

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    You may encounter an error stating that this functionality requires the gpclib maptools package. Coincidentally, there are several ways to solve this problem, which we’ll talk about a little later.

    I would say @cengel, echo gpclib is generally deprecated and replaced by rgeos. Why do you think you really want this? By default, mapping tool functions that depended on gpclib have been updated to use rgeos. However, you can always force gpclib to be installed.

    But that might answer your question, yes, you need to restore the R <= translation to 2.15, you need to bring the gpclib binaries into Windows. However, keep in mind that you will lose a number of improvements related to space-specific improvements in terms of speed and functionality.

    https://github.com/bryandmartin/SUMMER/blob/cd53e5d8d549434ea2b29cba9b0fbfa957fc8a98/R/mapPlot.R#L100

    Error message: Error in maptools::unionSpatialPolygons: isTRUE(gpclibPermitStatus()) itrue

    Solved by porting gpclib from source as described below

    error gpclib maptools package required for this functionality

    if (!require(gpclib)) install.packages("gpclib", type="source ")

    or simply by setting rgeos as described in the same topic.
    Somehow this particular mapproj also needs a place in the mapPlot. This is

    error gpclib maptools package required for this functionality

    (discovered while I was still packaging the SUMMER app with With packrat)
    Great package,
    Thank you very much. 🙂

    if (!require(gpclib)) install.packages("gpclib", type="source")

    This knowledge is certainly a fairly common mistake with gpclib, but I feel like I’ve tried a lot of options and gone in circles. I completely run into this problem when using “strengthen” in the marketplace. Generate a database from a specific UK local authority shapefile, where finally a specific horoplet can be generated using ggplot2.

    After trying to install it, you can install the gpclib package in the normal way, this is what I tried next, from source:

    install.packages("gpclib", type=says "source")

    that wasn’t actually extracted, but then “ERROR: compilation failed targeting package ‘gpclib'”. Then I read that you must have R Tools installed, so I tried again but to no avail, same error. I then tried changing the found order in which you add rgeos as well as map tools as that seems important and now it doesn’t work.

    My code is extremelyIt’s very simple, but I ran into a brick wall at the very beginning of the project.

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  • Are there other ways to install gpclib?

    install.packages("rgdal")library (rgdal)install.packages("maptools")Library (map tools)install.packages("geos")library (rgeos)myshape <- readShapeSpatial("infuse_ward_lyr_2011.shp")myshape2 <- readShapeSpatial("infuse_dist_lyr_2011.shp")action (my form)Path (myshape2)install.packages("ggplot2")library (ggplot2)st (myshape2)myshape2frame <-strengthen(myshape2, region="name")install.packages("gpclib", range="source")library (gpclib)gpclibPermit()gpclibPermitStatus()

    Roger Bivand